test_dfp0_arith.S (6230B)
1 #include "macros.inc" 2 #include "fpu.h" 3 4 test_suite fp0_arith 5 6 #if XCHAL_HAVE_DFP 7 8 .macro movfp fr, v 9 movi a2, ((\v) >> 32) & 0xffffffff 10 movi a3, ((\v) & 0xffffffff) 11 wfrd \fr, a2, a3 12 .endm 13 14 .macro check_res fr, r, sr 15 rfrd a2, \fr 16 dump a2 17 movi a3, ((\r) >> 32) & 0xffffffff 18 assert eq, a2, a3 19 rfr a2, \fr 20 dump a2 21 movi a3, ((\r) & 0xffffffff) 22 assert eq, a2, a3 23 rur a2, fsr 24 movi a3, \sr 25 assert eq, a2, a3 26 .endm 27 28 test add_d 29 movi a2, 1 30 wsr a2, cpenable 31 32 /* MAX_FLOAT + MAX_FLOAT = +inf/MAX_FLOAT */ 33 test_op2 add.d, f6, f7, f8, F64_MAX, F64_MAX, \ 34 F64_PINF, F64_MAX, F64_PINF, F64_MAX, \ 35 FSR_OI, FSR_OI, FSR_OI, FSR_OI 36 test_end 37 38 test add_d_inf 39 /* 1 + +inf = +inf */ 40 test_op2 add.d, f6, f7, f8, F64_1, F64_PINF, \ 41 F64_PINF, F64_PINF, F64_PINF, F64_PINF, \ 42 FSR__, FSR__, FSR__, FSR__ 43 44 /* +inf + -inf = default NaN */ 45 test_op2 add.d, f0, f1, f2, F64_PINF, F64_NINF, \ 46 F64_DNAN, F64_DNAN, F64_DNAN, F64_DNAN, \ 47 FSR_V, FSR_V, FSR_V, FSR_V 48 test_end 49 50 test add_d_nan_dfpu 51 /* 1 + QNaN = QNaN */ 52 test_op2 add.d, f9, f10, f11, F64_1, F64_QNAN(1), \ 53 F64_QNAN(1), F64_QNAN(1), F64_QNAN(1), F64_QNAN(1), \ 54 FSR__, FSR__, FSR__, FSR__ 55 /* 1 + SNaN = QNaN */ 56 test_op2 add.d, f12, f13, f14, F64_1, F64_SNAN(1), \ 57 F64_QNAN(1), F64_QNAN(1), F64_QNAN(1), F64_QNAN(1), \ 58 FSR_V, FSR_V, FSR_V, FSR_V 59 60 /* SNaN1 + SNaN2 = QNaN2 */ 61 test_op2 add.d, f15, f0, f1, F64_SNAN(1), F64_SNAN(2), \ 62 F64_QNAN(1), F64_QNAN(1), F64_QNAN(1), F64_QNAN(1), \ 63 FSR_V, FSR_V, FSR_V, FSR_V 64 /* QNaN1 + SNaN2 = QNaN2 */ 65 test_op2 add.d, f5, f6, f7, F64_QNAN(1), F64_SNAN(2), \ 66 F64_QNAN(1), F64_QNAN(1), F64_QNAN(1), F64_QNAN(1), \ 67 FSR_V, FSR_V, FSR_V, FSR_V 68 /* SNaN1 + QNaN2 = QNaN2 */ 69 test_op2 add.d, f8, f9, f10, F64_SNAN(1), F64_QNAN(2), \ 70 F64_QNAN(1), F64_QNAN(1), F64_QNAN(1), F64_QNAN(1), \ 71 FSR_V, FSR_V, FSR_V, FSR_V 72 test_end 73 74 test sub_d 75 /* norm - norm = denorm */ 76 test_op2 sub.d, f6, f7, f8, F64_MIN_NORM | 1, F64_MIN_NORM, \ 77 0x00000001, 0x00000001, 0x00000001, 0x00000001, \ 78 FSR__, FSR__, FSR__, FSR__ 79 test_end 80 81 test mul_d 82 test_op2 mul.d, f0, f1, f2, F64_1 | 1, F64_1 | 1, \ 83 F64_1 | 2, F64_1 | 2, F64_1 | 3, F64_1 | 2, \ 84 FSR_I, FSR_I, FSR_I, FSR_I 85 /* MAX_FLOAT/2 * MAX_FLOAT/2 = +inf/MAX_FLOAT */ 86 test_op2 mul.d, f6, f7, f8, F64_MAX_2, F64_MAX_2, \ 87 F64_PINF, F64_MAX, F64_PINF, F64_MAX, \ 88 FSR_OI, FSR_OI, FSR_OI, FSR_OI 89 /* min norm * min norm = 0/denorm */ 90 test_op2 mul.d, f6, f7, f8, F64_MIN_NORM, F64_MIN_NORM, \ 91 F64_0, F64_0, 0x00000001, F64_0, \ 92 FSR_UI, FSR_UI, FSR_UI, FSR_UI 93 /* inf * 0 = default NaN */ 94 test_op2 mul.d, f6, f7, f8, F64_PINF, F64_0, \ 95 F64_DNAN, F64_DNAN, F64_DNAN, F64_DNAN, \ 96 FSR_V, FSR_V, FSR_V, FSR_V 97 test_end 98 99 test madd_d 100 test_op3 madd.d, f0, f1, f2, f0, F64_0, F64_1 | 1, F64_1 | 1, \ 101 F64_1 | 2, F64_1 | 2, F64_1 | 3, F64_1 | 2, \ 102 FSR_I, FSR_I, FSR_I, FSR_I 103 test_end 104 105 test madd_d_precision 106 test_op3 madd.d, f0, f1, f2, f0, \ 107 F64_MINUS | F64_1 | 2, F64_1 | 1, F64_1 | 1, \ 108 0x3970000000000000, 0x3970000000000000, 0x3970000000000000, 0x3970000000000000, \ 109 FSR__, FSR__, FSR__, FSR__ 110 test_end 111 112 test madd_d_nan_dfpu 113 /* DFPU madd/msub NaN1, NaN2, NaN3 priority: NaN1, NaN3, NaN2 */ 114 test_op3 madd.d, f0, f1, f2, f0, F64_QNAN(1), F64_1, F64_1, \ 115 F64_QNAN(1), F64_QNAN(1), F64_QNAN(1), F64_QNAN(1), \ 116 FSR__, FSR__, FSR__, FSR__ 117 test_op3 madd.d, f0, f1, f2, f0, F64_1, F64_QNAN(2), F64_1, \ 118 F64_QNAN(2), F64_QNAN(2), F64_QNAN(2), F64_QNAN(2), \ 119 FSR__, FSR__, FSR__, FSR__ 120 test_op3 madd.d, f0, f1, f2, f0, F64_1, F64_1, F64_QNAN(3), \ 121 F64_QNAN(3), F64_QNAN(3), F64_QNAN(3), F64_QNAN(3), \ 122 FSR__, FSR__, FSR__, FSR__ 123 124 test_op3 madd.d, f0, f1, f2, f0, F64_QNAN(1), F64_QNAN(2), F64_1, \ 125 F64_QNAN(1), F64_QNAN(1), F64_QNAN(1), F64_QNAN(1), \ 126 FSR__, FSR__, FSR__, FSR__ 127 test_op3 madd.d, f0, f1, f2, f0, F64_QNAN(1), F64_1, F64_QNAN(3), \ 128 F64_QNAN(1), F64_QNAN(1), F64_QNAN(1), F64_QNAN(1), \ 129 FSR__, FSR__, FSR__, FSR__ 130 test_op3 madd.d, f0, f1, f2, f0, F64_1, F64_QNAN(2), F64_QNAN(3), \ 131 F64_QNAN(3), F64_QNAN(3), F64_QNAN(3), F64_QNAN(3), \ 132 FSR__, FSR__, FSR__, FSR__ 133 134 test_op3 madd.d, f0, f1, f2, f0, F64_QNAN(1), F64_QNAN(2), F64_QNAN(3), \ 135 F64_QNAN(1), F64_QNAN(1), F64_QNAN(1), F64_QNAN(1), \ 136 FSR__, FSR__, FSR__, FSR__ 137 138 /* inf * 0 = default NaN */ 139 test_op3 madd.d, f0, f1, f2, f0, F64_1, F64_PINF, F64_0, \ 140 F64_DNAN, F64_DNAN, F64_DNAN, F64_DNAN, \ 141 FSR_V, FSR_V, FSR_V, FSR_V 142 /* inf * 0 + SNaN1 = QNaN1 */ 143 test_op3 madd.d, f0, f1, f2, f0, F64_SNAN(1), F64_PINF, F64_0, \ 144 F64_QNAN(1), F64_QNAN(1), F64_QNAN(1), F64_QNAN(1), \ 145 FSR_V, FSR_V, FSR_V, FSR_V 146 /* inf * 0 + QNaN1 = QNaN1 */ 147 test_op3 madd.d, f0, f1, f2, f0, F64_QNAN(1), F64_PINF, F64_0, \ 148 F64_QNAN(1), F64_QNAN(1), F64_QNAN(1), F64_QNAN(1), \ 149 FSR_V, FSR_V, FSR_V, FSR_V 150 151 /* madd/msub SNaN turns to QNaN and sets Invalid flag */ 152 test_op3 madd.d, f0, f1, f2, f0, F64_SNAN(1), F64_1, F64_1, \ 153 F64_QNAN(1), F64_QNAN(1), F64_QNAN(1), F64_QNAN(1), \ 154 FSR_V, FSR_V, FSR_V, FSR_V 155 test_op3 madd.d, f0, f1, f2, f0, F64_QNAN(1), F64_SNAN(2), F64_1, \ 156 F64_QNAN(1), F64_QNAN(1), F64_QNAN(1), F64_QNAN(1), \ 157 FSR_V, FSR_V, FSR_V, FSR_V 158 test_end 159 160 #endif 161 162 test_suite_end